No one disputes Lamar Miller is the Dolphins' starting running back. The question comes when you consider who will serve as backups. Perhaps someone takes charge Saturday when players wear pads for the first time in training camp.

The caller to 911 is panting, panicked. People are screaming in the background. A pit bull named Kane is mauling a mother and her 9-year-old son near Fort Lauderdale. She pleads for help: "Please come!''